Andy Pettitte winds up feeling fatigued after BP session but sees that as normal. (Ron Antonelli/New York Daily News)

T AMPA — Thirty-five batting practice pitches were enough to tell Andy Pettitte that he's not in game shape just yet, but the lefty was encouraged after his second session in five days.

Pettitte worked out of the windup for the first 20 pitches, then had the screen removed to throw out of the stretch for the final 15.

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"Just another step in the process," Pettitte said. "I got a little tired, but I got comfortable."

Pettitte has maintained that it would be more difficult getting his legs in shape than his arm .

"I'd be lying if I didn't say they get a little fatigued," Pettitte said of his legs. "I'm trying to get to where I can drive and explode 100 pitches and I'm a long way from there because I want to be strong."

Joe Girardi said Pettitte would throw another BP session or simulated game on Friday or Saturday, setting him up to pitch in an exhibition next week, likely on Wednesday against the Mets in Tampa.

"I think you just have to go by how he feels," Girardi said. "I hate to give a date, because then if he's not quite ready to go or he needs a couple extra days, people might put up a red flag."

NOT SO GRANDCurtis Granderson is the latest to join the injury report, as the center fielder was scratched shortly before Tuesday night's game with soreness in his right elbow.

"He reported that his elbow is a little sore, so as a precaution we're going to keep him out of today's game and do a precautionary MRI tomorrow to make sure it's nothing significant," GM Brian Cashman said . "We don't believe it is, but because of the time of year it is, better safe than sorry."

Cashman said his level of concern was "two or less" on a scale of 1-10.

MISSED SWISH The Yankees nearly had their entire lineup in action Tuesday night against the Blue Jays, the lone exception being Nick Swisher, who continues to be hampered by a minor left groin injury.

Swisher missed a few days with a right groin injury, then left a game a week ago with the same issue on the left side. He took some swings against Pettitte and went through a pregame workout without problems.

"My sense was I didn't get the feeling he was completely ready to go," Girardi said.

Swisher will play at the minor-league complex Wednesday and Thursday and could return to game action by Friday .

Asked if he was concerned about Swisher being healthy by Opening Day, Girardi said, "A little bit, but my sense is that he'll be ready."

CC & COMPANYCC Sabathia made his second- to-last start of the spring Tuesday, lining him up for the season opener against the Rays at Tropicana Field a week from Friday. Hiroki Kuroda will start Wednesday, putting him in line to start the Yankees' second game of the season.

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Girardi said he had not made any decisions beyond that, although he and pitching coach Larry Rothschild must begin lining up the rest of the rotation.